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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,472 Views)
Ignacio
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Ex Corrupt Staff

What kind of forest exactly? Temperate?
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CyborgIguana
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I'm not sure, all I know is that it was forested.
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Similis
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Quote:
 
The Nemegt Formation (the upper beds) are composed of shales and sandstones that were deposited by ancient lakes, streams, and flood plains. The Altan Ula locality was described by Michael Novacek (1996) as "a canyon carved out of a very rich series of sedimentary rocks" with "steep cliffs and narrow washes". The presence of petrified wood, and the remains of Araucariaceae conifers indicate that the forests of the Nemegt were thickly wooded, with a high canopy formed by tall conifer trees. When examined, the rock facies of this formation suggest the presence of stream and river channels, mudflats, and shallow lakes. Sediments also indicate that there existed a rich habitat, offering diverse food in abundant amounts that could sustain massive Cretaceous dinosaurs.


Well-watered, tall conifer forests with little to no mid-level foliage. As far as I remember from other sources, it was a rather warm place.
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Furka
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What was the name of that disease that caused Tyrannosaurs to have holes in the jaw bones that were thought to be intra-specific bites ?
If I remember correctly it's a disease that modern birds of prey get from pigeons and other preys, so do we know if it was present among the species preyed upon by Tyrannosaurs ?

And finally, what happened to the American fighting dinosaurs fossils ?
Edited by Furka, May 15 2014, 02:47 AM.
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Ignacio
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Thank you for the answer MrGorsh :)
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Similis
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Furka
May 15 2014, 02:43 AM
What was the name of that disease that caused Tyrannosaurs to have holes in the jaw bones that were thought to be intra-specific bites ?
If I remember correctly it's a disease that modern birds of prey get from pigeons and other preys, so do we know if it was present among the species preyed upon by Tyrannosaurs ?


The pathology marks on the fossil indicate something similar to the Trichomonas parasite being the culprit.

Furka
May 15 2014, 02:43 AM
And finally, what happened to the American fighting dinosaurs fossils ?


They didn't sell on the auction and, as far as I know (I can easily be wrong though), they await decision about their future.

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Bigwhale
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Are Darwinopterus active hunters? If yes, animals of which size would it hunt?
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Furka
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Not sure, but I doubt they'd hunt like in the DR scrapped sequence.
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Bigwhale
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Like what exactly? Haven't known what it did there.
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Mathius Tyra
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Rat snake is love... Rat snake is life

I imagine Darwinop to hunt like modern falcon or something, snatching smaller Pterosaur mid-air or some tree dwelling animals that expose themself on the canopy too much.
Edited by Mathius Tyra, May 20 2014, 11:53 AM.
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Furka
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Bigwhale
May 20 2014, 11:46 AM
Like what exactly? Haven't known what it did there.
http://www.youtube.com/watch?v=nxXCXsqRd1Y&list=UUkyKbNk_KV5PcOdh1J0yYbQ
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Ignacio
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Which were the specific differences between adults and baby Mussaurus? And where can i find good references for the adults and baby proportions, like skeletons reconstructions?
Edited by Ignacio, May 24 2014, 06:54 PM.
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CyborgIguana
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I don't think we've found any adult Mussaurus fossils yet IIRC, but my best guess would be that the adults would resemble Plateosaurus or Riojasaurus. ;)
Edited by CyborgIguana, May 24 2014, 08:10 PM.
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Furka
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What kind of foliage could be found in the environment of Spinosaurus (other than mangroves) and the Chinle Formation ?
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Ignacio
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CyborgIguana
May 24 2014, 08:08 PM
I don't think we've found any adult Mussaurus fossils yet IIRC, but my best guess would be that the adults would resemble Plateosaurus or Riojasaurus. ;)
They had.

Quote:
 
The first adult specimens of Mussaurus were described in 2013. Some of these specimens had first been described in 1980 and were originally attributed to the genus Plateosaurus.

Furthermore, the recently discovered one subadult and three adult specimens assigned to Mussaurus are more complete than other material assigned to it.

Juveniles differed from adults in proportion in addition to size and mass. As is common for dinosaurs, juvenile Mussaurus had tall skulls with short snouts and large eyes. Adults are expected to have longer snouts and necks, and to look more like one would expect of a prosauropod.


That is all it says in Wikipedia... not very specific.
Edited by Ignacio, May 25 2014, 02:09 PM.
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